Combination sash lock



Aug 8, 1933. c. J. HoHMAN 1,920,983

COMBINATION SASH LOCK Filed July 18, 1932 2 Sheets-Sheet 1 BY mja/mf@ATTOR N EY Allg- 8, 1933- c. J. HOHMAN 1,920,983

COMBINAT ION SASH LOCK Filed July 18, 1932 2 Sheets-Sheet 2 INVENTORATTOR N EY "35i -A' still further object Patented `Aug. 8,

'ooMINA'rIoN"sAs'HfLock f v charles J. Henman, ivnami, F1a.

i l nppliation'ruiy 18,193.2.'` seriaiNaezazzo 4 claims. (cl.47'o,-`1s)y [,The invention4 relates to sash locks and moreespeciallytor combination sash locks.A n f The primary `object-of theinvention ris the Aprovision of a lockof this'character wherein the `5same` when mounted upon a window sash willl enable) 'thev latchingA oflbothupper and.v lower sashes of the window andthe mounting `of the Y-flock'is suchV that the, removal ,thereof by an intruder` will beavoided and also the' manipu- [lationof .the lock` to freer the, window:sashes @cannot be accomplished Aunless knowledge of its combination ishad.. v i A f Another object offthe inventionsis the provision -of alock of lthis character wherein thel lock- .I f -A ingpin `anditsmounting are of novel form requiringa 'particular combination Aforthesuc- `-cessful release of the pin when'in locking posi- :tion and inthismanner the sashes of a window Tcan be secured closedtor in adjustedimmovable 7277720srel'ation. to' each otherV .withoutliability ofy anintruder effecting the freeing `of either sashk for `the opening of thewindow'A and also 'making itipractically impossible for an unscrupulousper-` ;-sonj ascertaining the' releasing,` position Yof .the

25r-locking pin'when in'locked condition, thusV in thisr fashionaffordinga safety device and a iirm landisecure lock for thevsashes.l L

' vA further object Yof the invention is the provision of a lock of thischaracter, wherein the'co'n- 3 lstruction thereof will permit themounting ofthe same upon sliding window sashes" and the A4saine A.'ingthe weight fastened thereto. i Y

y will assure vthe safe lockingv of the sashes to avoid intrusion froma: window by an unauthorized or unscrupulous person.v i f r of theinvention is'the v=prcvision fofY aflock.- of this character.` whichiscon'iparatively'simple in construction,l thoroughly :reliable andeflicientiin itsfpurposes and 'operation, strong,idurable, `andinexpensive? to manufe40, facture and install.

4With these and other objects in view, the invention consists inthevfeaturesof construction, combination and arrangement `of parts Aaswill Y be hereinafter more' fullyV described-in detail,

"145 Villustrated in the accompanying drawings, which kdisclose `thepreferred embodiment-of theinven- "tion, and pointedout ln'the' claims fhereunto appendedgffl 'k 'In' the accompanying drawings: 'i

i j Figure '1; is a' fragmentary'elevation 'ofga window frame with itsslidingsashes' showing' the:

sash lock applied and with the invention.

constructed in accordance --moved fromthe sash. f

' Figure' 4 is a: vertical sectional view there- 60 A tion of 'i thearrows.' l

. Figure 2.15 a sectionai'fview dri theflief--Z of Figure 1 lookingIinthe direction of the arrows.

- `vFigure 3 isa perspectiveview of. the lock rethrough.` f e Figure. 5is a sectional view on` the line A5-,5 of Figure/i looking inthedirection of the arrows. Figure 6 is a planV viewof the blank fromwhich-the casing of the lock is made. J

Figure '7.is .an enlarged vertical transverse sectional View through thelock showing the Ynormal'position of its parts 'when in lockingcondition. i

- v.Figure 8 is a view similar to Figure 7 showing 70 a progressedposition of its parts in the unlocking operation thereof. v

Figure 9 is a viewsimilar to Figure V8 showing 4a further progressedposition of its parts and the combination cylinder. held for the turningof the locking pin to releasing position. l

v`:ligure l0 is a view similar to Figure 9 with thelocking pin turned toreleasing position. :'Fig'ure vl1v isa fragmentary vertical Ylongi-:tudinal :sectional view through the lock with the 80K .locking pinmoved to partial releasing position.

Figure 12 is a sectional View on the line 12-12 V of Figure 7 looking inthe direction of the arrows.

`Figure 15 is a fragmentary sectional view on the line 15-15 of Figure13Vlooking in the direc Figure lisrsectional viewr on the 1ine:16.-I.16

`of Figure 13 looking in the direction of the` arrows.

Figure 17 is a Vfragmentary elevation partly in section ofthe lockingpin and adjuncts showing'indetail the fastening and mounting of thespring therewith.

` Similar reference characters indicate Acorresponding parts throughoutthe several views in the, drawings.

rReferring to the drawings in detaiLA designates a portion of a windowframe, B the lower sash slidably ttedtherein'and C the upper sash ywhich is likewise slidably fitted in the'frame, `105 these sashes `beingof conventional form andin normallyfclosed position with the meetingrails labutting keachgothergyUpon the lower sash lB at the meeting railA1,0' thereof in Valignment with lone vertical siderail is arranged thelock 1,10

13, the ends 13 being extended beyond the sides 11 to provide attachingears 14 to the casing',v

these ears having Vsuitable openingsV 15 .for accommodatinga securingbolt 16 and a nut V17 for threaded-*engagement with. the bolt'. f Theear 14 at the nut attaching end of the b oltl is countersunk to providea seat 18 vfor the nut 17,` the outer side of the nut being formedwith.x

a cammed screw driverv engaging .face 19.7so that in the use of a screwdriver the saidnutwillibe turned in one direction, that is,v:.iriadirection to Work inwardly onto the bolt 16 .but on the, attempt toreversely turn' the'nut the Ascrew` wstraddle transverselythe meeting ortop rail -10 of the lower sash B with the ears 14 againstthe inner A`and.outer 'faces' ofthe vertical "si'de rail of said` sash and the bolt' isjengaged inlthese *ears and -'also passed'fthrough the sash. with thenut threaded upon -the bolt and"in this fashion-the casingfofthellockyis made secure to-'the lower sashB'asis yclearlyishown in Figures 1`rand 2 of Ythe drawings. `The sidesyll of the casing 'are formed withoutturned lledges or 4flanges'ZO which .re'stf-upon the tcprof thelowersash B1 when thelockisapplied thereto,v y VMounted lengthwise Vof thecasing. is a'slidable rand rotatable locking pin 21, the same playingthroughacircular. hole 22 in one end 13'of the casing and also through alkeyhole-shaped opening 23 in the opposite endof said casing; The.locking pin 21 Vcarries alknurled knob or .head 24 which isaccessibleat the inner side of the window .frame A` for thel Vmanual#manipulation ofthe pin21.- Y

' Looselyfsupportediupon the pinv 21 withinV the casingof the1V lockAisa combination. cylinder `which is cut-andbent'froma' single blank ofsheet A -button l44 which isspringltensionedfby a spring120 45andcarries inwardly of theqlock casing `a holdmaterialisuchas metaltoprovider` spaced circular .orf disk-like ends l25 and '265 respectively,:.these joined with each: other through .a stripj-like Yweb 27which isdisposed ylongitudinally of thefcylinder and inset from the peripheriesof theendsor disks 25 and 26 thereof; .The web 27y intermediate of. its

' lengthzhas atoppositeedges.,` thereof bendable RBB.

tongues 28, these securing.against-.the.,web a weight 29 which has itsouterportion shaped Aand lying ush'with vthe peripheries of the .ends ordisks 25 and 26. This weight 29. is-adapted to "gravitate the cylinderto a. determined position Vand heldin the same bya retaining rivet33,'the

.latter having a bill "3 4 constituting an abutment for' the outermost'coil'of the Ysprin'g,31 `ar`1dl a part ofthe end 32 so that vthestrainimp'osed upon this springwill be relieved from, the end' 32 andtakenlbytherivet or bill 34 ofthefsa'me. The

'spring' AV31 has af determined' expanding"l action or extentlandtvhefree end of Whichis nextto the end 25 of the cylinder looseuponthe' locking'pinV 21 so that. this cylinderatjits en d 26' willbeheldl jclosetothe endjl3f the'casingof the lock.. The

y spring 31 is designed lto tension vtliejqin@ 21 when pulled; Aupon andf to urge AVthe 'same'into locking of the locking p inv21.

direction.

, in the end 13 of the casing of the lock whereby the locking pin 21 canbe pulled outwardly upon to :an unlocking or releasing position. Relatedwith the slot 37 on the inner face of the end 26 of the cylinder arespaced radially disposed recesses 39,

theselconstituting false combination pockets for .the key. or bit33tomisguide a person from gaini'ng knowledgeofthe true combination for theworking or releasing of the locking pin 21.

The disk 25 of the combination cylinder has 95 y.cut and bent therefromahanger'40 for a pivoted gravity detentor dog 41 and also hascutrand-bent I`therefrom a stop-42 for-limiting the, outward gravityswingof the detent or dogL41. f This vdetent or. dog 41 functionswithfthe key-or bit 38 on .the lpin 21 so that when turning the pin 21'.on gravitaltionof the detentor dog 41to engaging position with the keyor. bit 381the combination cylinder may be turned simultaneously withsaidpin rfor the setting of said cylinder under its combination controlto permit the sliding.of..the;pin to releasing position against thetension of the spring31 activetherewith and withlthe cylinder.

The-"web 27A .has-struck-inwardly. therefrom medially o ftthe same anabutment 43 which' Vcoi'110 acts with'thekey'orfbit 38 Whenthepinbisturned to move thecombination cylinder to bring the slot 37 inregistration withtheikeyholefslot 38 for" permitting the release ofthelocking.y pin 21 which is normallyl in lockingzengagementwithai-115selected socket351in .the uppersash .C to `secure the latter and the.lower. sash B against relativeV movement.. '1" .'l In.one;side.llzofythe casing is mounteda push ing head 46 whichis. adapted toibebrought.' into contact withthe cylinder so as to holdthe same againstVmovement under; the inuence Lof; the gravity weight29 andithus in thisfashion permit 125 of thesetting of -said cylinderundery thexlockcombinationrfor thereleaseoi-thelock.;

The knob 24 ofathe pin 21.has'adial 47.V provided with an indicatorlug.,48,:the.latter..being cooperative with lsetting marks or lugs 49'and- 50 I130 respectively on the end 13. ofthec'asingnextto said'dial47.so that aperson'having.knowledgelof the combination for the releaseoftherlocking pin 21 can readily set the.1dial.47; andilikewise. thelocking pin 21 under the registration of theflugsk135 48, 49and 50 and.-with manipulation :of the -push button 45 arrive'atthetrue andlegitimate vcom- Y bination .in the setting 'of the combination'cylinder within .thegcasingof vthe'lockrfor thegrelease 140 The Ak'eygor.bit 38xat the endnekt 37 Vand false slots. 39 hasla beveledor. roundededge 51 which permits the ratchet action oisaid key or bit 38 whenthepin. 21l turnednrone direction and a latching actio'nfwith the .false*145 slots139fvsvrhen the pinZIi'sturned in Ya'fr'e'verse In theworking of the loclftheknobl 24'is`m'anpulated inA a clockwisedirectioncwhenkgthe L'lug' 48 y on theldai-islaiigned with the 1ug5ountir'said 150 lug 4s aligns withthe 111g 49, thence the said knob 24 isreversely turned anti-clockwise but it Y is to be understood that whenthe lug 48 aligns with the lug 49 the operator presses Lthe button 44 tohold the combination cylinder in its adjusted or turned position,untilthe lug 48 again aligns with the lug 50, whereupon the slot 37will,'under the movement of the cylinder, be brought into registration'with the keyhole slot 23 and the key or bit 38 under the reverseturning or anti-clockwise movement of the pin 21 will be brought intoalignment with the registering slots whereby the pin 21 canV nally bepulled upon for releasing the engagement 'thereof with the selectedsocket and thus releasing -the sashes for'adjustment thereof in theframe A of the window. When the pull is released upon the pin 21 thesame under the action of the spring 31 will be moved to latchingposition'rwith a selected socket 35 and thus Athe sashes become lockedin the frame A ofthe the bit, a weight carried by the cylinder andholding the same in a position counter to the determined position forthe sliding of said bit, and means manually operable to hold thecylinder against the"v actionof its weight when adjusting the bit topermit the retracting of the pin.

2. A combination sash'lock comprising a casing adapted; to `bepermanently secured to the rmeeting rail of a lower window sash, alocking pin slidably and rotatably tted within ther casing for loclingengagement with an upper window sash, a-. combination cylinder looselysupported uponf the pin within the casing, a bit on the pin and' movablethroughthe cylinder4 and casing when said cylinder is in a predeterminedposition, said cylinder having false acting slots for the bit, a weightcarried by the cylinder and holding the saine-in a position counter tothe determined position for the sliding of said bit, means manuallyoperable to hold the cylinder against the actionofiits weight whenadjusting the bit to permit the retracting of the pin, and a springactive with the cylinder and pin to urge the latter in llocking positionon retracting thereof.

3. A combination sash lock -comprising a casing adapted to bepermanentlysecured to the meeting rail of a lower window sash, a locking pinslidably and rotatably tted within the casing for locking engagementwith an upper window sash, a combination cylinder loosely supported uponthe pin within the casing, a bit on the pin and movable throughk thecylinder and casing when said cylinder is in a predetermined position,said cylinder having false acting slots for the bit, a weight carried bythe cylinder and .holding the same in a position counter to thedetermined position for the sliding of said bit,

means manually operable to hold the cylinder against the action of itsweight when adjusting the bit to permit the retracting of the pin, aspring active with the cylinder and pin to urge the latter in lockingposition on retracting thereof, and

a gravity detent carried by the cylinder and engageable by the bit forimparting movement to the cylinder counterclockwisewhen free of the`manually operated means for the setting of said cylinder to permitretracting of the pin.`

4. A combination sash lock comprising a casing vadapted to bepermanently secured to the meeting rail of a lower window sasha lockingpin slidably and rotatably fitted within the casing for lockingengagement with an upper window sash, acombination cylinder looselysupported upon the pin within the casing, a biton the pin and movableythrough the cylinder and casing when said cylinder is in apredetermined position, said cylinder havingv false acting slots for thebit, a weight carried by the cylinder and holding'the same in a positioncounter to the determined position for the sliding of said bit, meansmanually operable to hold the cylinder against the action of its weightwhen adjusting the bit topermit the retracting of the pin, a springactive with the cylinder and pin to `urge the latter in locking positionon retracting thereof, a gravity detent carried by the cylinder andengageable by the bit for imparting movement to the cylindercounterclockwise when free of the manually operated means for thesetting of said cylinder to permit retracting of the pin, and a settingknob on the outer end of the pin and having combination indicia thereon.

CHARLES J. HOHMAN.

